3712 search results - page 129 / 743 » Role-Based Access Control |
IJSEKE
2011
13 years 15 days ago
2011
rather wide gap in abstraction between policies and mechanisms. In this paper, we propose a general approach for property verification for MAC models. The approach defines a stan...
PODS
2005
ACM
14 years 9 months ago
2005
ACM
Some promising recent schemes for XML access control employ encryption for implementing security policies on published data, avoiding data duplication. In this paper we study one ...
JSW
2007
13 years 9 months ago
2007
—Shibboleth is an architecture and protocol for allowing users to authenticate and be authorized to use a remote resource by logging into the identity management system that is m...
SEMWEB
2007
Springer
14 years 3 months ago
2007
Springer
Semantic Web databases allow efficient storage and access to RDF statements. Applications are able to use expressive query languages in order to retrieve relevant metadata to perfo...
ICMCS
2006
IEEE
14 years 3 months ago
2006
IEEE
In this paper we address the problem of providing conditional access to video sequences, namely, to generate a low-quality video to be used as preview, which can be decoded at ful...